Microwave circular polarization analyzer

Wave transmission lines and networks – Plural channel systems – Having branched circuits

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333 21A, H01P 512, H01P 116

Patent

active

H00003700

ABSTRACT:
A microwave circular polarizer having two matched waveguide arms with a first arm having a twist in a first rotational sense and with a second arm having a twist in a second (reverse) rotational sense, and a hybrid coupler receiving radiation signals from the two arms. A left-hand 45.degree. twist in one arm and a right-hand 45.degree. twist in the other arm ensure that orthogonal linearly polarized components of an incident radiation field are combined in the hybrid coupler so as to direct a right circularly polarized signal out of one of the remaining ports of the hybrid coupler, and to direct a left circularly polarized signal from the other remaining port of the hybrid coupler.

REFERENCES:
Gold, Steven H. "Ka-band Circular Polarization Analyzer," Rev. Sci. Instrum., 57(1), Jan. '86.

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